Configurable insert for a downhole plug



FIG. 1 is a perspective view of a configurable insert for a downhole plug showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines shown in the drawing are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a configurable insert for a downhole plug, as shown and described. 